export function numberToCurrencyNo(value) {
  if (!value) return 0;

  // 获取整数部分
  const intPart = Math.trunc(value);
  // 整数部分处理，增加
  const inPartFormat = intPart
    .toString()
    .replace(/(\d)(?=(?:\d{3})+$)/g, "$1,");
  // 预定义小数部分
  let floatPart = "";
  // 将数值截取为小数部分和整数部分
  const valueArray = value.toString().split(".");
  if (valueArray.length === 2) {
    floatPart = valueArray[1].toString();
    return `${inPartFormat}.${floatPart}`;
  }
  return inPartFormat + floatPart;
}

// 会计金额格式化
export function moneyFromat(num) {
  // eslint-disable-next-line no-restricted-globals
  if (!isNaN(parseFloat(num))) {
    const newNum = Number(Number(num).toFixed(2)).toLocaleString("zh", {
      minimumFractionDigits: 2,
    });
    return newNum;
  }
  return "";
}

// 小写金额转大写金额
export function changeNumMoneyToChinese(smallMoney) {
  let money = smallMoney;
  const cnNums = ["零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"]; // 汉字的数字
  const cnIntRadice = ["", "拾", "佰", "仟"]; // 基本单位
  const cnIntUnits = ["", "万", "亿", "兆"]; // 对应整数部分扩展单位
  const cnDecUnits = ["角", "分", "毫", "厘"]; // 对应小数部分单位
  const cnInteger = "整"; // 整数金额时后面跟的字符
  const cnIntLast = "元"; // 整型完以后的单位
  const maxNum = 999999999999999.9999; // 最大处理的数字
  let IntegerNum; // 金额整数部分
  let DecimalNum; // 金额小数部分
  let ChineseStr = ""; // 输出的中文金额字符串
  let parts; // 分离金额后用的数组，预定义
  let Symbol = ""; // 正负值标记
  if (money === "") {
    return "";
  }

  money = parseFloat(money);
  if (money >= maxNum) {
    // alert('超出最大处理数字');
    return "";
  }
  if (money === 0) {
    ChineseStr = cnNums[0] + cnIntLast + cnInteger;
    return ChineseStr;
  }
  if (money < 0) {
    money = -money;
    Symbol = "负 ";
  }
  money = money.toString(); // 转换为字符串
  if (money.indexOf(".") === -1) {
    IntegerNum = money;
    DecimalNum = "";
  } else {
    parts = money.split(".");
    // eslint-disable-next-line prefer-destructuring
    IntegerNum = parts[0];
    DecimalNum = parts[1].substr(0, 4);
  }
  if (parseInt(IntegerNum, 10) > 0) {
    // 获取整型部分转换
    let zeroCount = 0;
    const IntLen = IntegerNum.length;
    for (let i = 0; i < IntLen; i++) {
      const n = IntegerNum.substr(i, 1);
      const p = IntLen - i - 1;
      const q = p / 4;
      const m = p % 4;
      if (n === "0") {
        zeroCount += 1;
      } else {
        if (zeroCount > 0) {
          ChineseStr += cnNums[0];
        }
        zeroCount = 0; // 归零
        ChineseStr += cnNums[parseInt(n, 10)] + cnIntRadice[m];
      }
      if (m === 0 && zeroCount < 4) {
        ChineseStr += cnIntUnits[q];
      }
    }
    ChineseStr += cnIntLast;
    // 整型部分处理完毕
  }
  if (DecimalNum !== "") {
    // 小数部分
    const decLen = DecimalNum.length;
    for (let i = 0; i < decLen; i++) {
      const n = DecimalNum.substr(i, 1);
      if (n !== "0") {
        ChineseStr += cnNums[Number(n)] + cnDecUnits[i];
      }
    }
  }
  if (ChineseStr === "") {
    ChineseStr += cnNums[0] + cnIntLast + cnInteger;
  } else if (DecimalNum === "") {
    ChineseStr += cnInteger;
  }
  ChineseStr = Symbol + ChineseStr;

  return ChineseStr;
}
